| 1 | import { ObservableInput, ObservedValueOf, OperatorFunction } from '../types';
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| 2 | /**
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| 3 | * Applies an accumulator function over the source Observable where the
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| 4 | * accumulator function itself returns an Observable, emitting values
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| 5 | * only from the most recently returned Observable.
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| 6 | *
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| 7 | * <span class="informal">It's like {@link mergeScan}, but only the most recent
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| 8 | * Observable returned by the accumulator is merged into the outer Observable.</span>
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| 9 | *
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| 10 | * @see {@link scan}
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| 11 | * @see {@link mergeScan}
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| 12 | * @see {@link switchMap}
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| 13 | *
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| 14 | * @param accumulator
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| 15 | * The accumulator function called on each source value.
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| 16 | * @param seed The initial accumulation value.
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| 17 | * @return A function that returns an observable of the accumulated values.
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| 18 | */
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| 19 | export declare function switchScan<T, R, O extends ObservableInput<any>>(accumulator: (acc: R, value: T, index: number) => O, seed: R): OperatorFunction<T, ObservedValueOf<O>>;
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| 20 | //# sourceMappingURL=switchScan.d.ts.map |
| \ | No newline at end of file |